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  • Title: [Hemogram findings in Congolese children with sickle cell disease in remission].
    Author: Tshilolo L, Wembonyama S, Summa V, Avvisati G.
    Journal: Med Trop (Mars); 2010 Dec; 70(5-6):459-63. PubMed ID: 21520647.
    Abstract:
    INTRODUCTION: Sickle cell disease is associated with a wide range of clinical and laboratory findings depending on genetic modulators and environmental factors. The most severe forms of sickle cell disease occur in patients with the Bantu haplotype. The purpose of this study was to determine the hematological profile of Congolese patients with homozygous sickle cell disease during periods of remission. PATIENTS AND METHODS: Hemograms were performed in two series of patients with sickle cell disease in remission, i.e., one including 89 patients with a mean age of 8.7 years and the other including 42 patients with a mean age of 8.9 years. Hemograms were performed using an automated counter and reticulocytes were counted manually on peripheral blood smears. Fetal hemoglobin level (HbF) was measured by chromatography (HPLC). The mean values obtained were compared with those obtained in a sickle-cell-disease-free control group. Some parameters were also compared with those obtained in a group of patients exhibiting complications of sickle cell disease. RESULTS: Hemograms in the first series of patients demonstrated the following values: Hb: 7.2 g/dl; Hct 23.1%, red cells: 2.47 tera/L, leukocytes: 14.9 giga/L; VGM: 95.3 fL; CCMH:30.3% L and platelets:345,3 giga/L. Blood count showed 30.4% of polynuclear neutrophils, 33% de lymphocytes, 0.8% of polynuclear basophiles, 14% of monocytes, 7.8% of polynuclear eosinophils and 14% of erythroblasts. Mean HbF level was 7.2% and reticulocytes were at 88%. In the sickle cell disease-free group, the leukocyte rate was almost three fold higher than in the patient group exhibiting sickle cell disease in remission even though rates were higher than during complications. CONCLUSION: Hemogram profiles in Congolese patients with sickle cell disease are similar to those reported in the literature for subjects exhibiting the Bantou haplotype. Leukocytosis was associated with esinophilia and monocytosis suggested a topical state and chronic inflammation.
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